CN114487106A - Track ultrasonic nondestructive testing equipment with automatic track transfer function - Google Patents
Track ultrasonic nondestructive testing equipment with automatic track transfer function Download PDFInfo
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- CN114487106A CN114487106A CN202210044833.2A CN202210044833A CN114487106A CN 114487106 A CN114487106 A CN 114487106A CN 202210044833 A CN202210044833 A CN 202210044833A CN 114487106 A CN114487106 A CN 114487106A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K9/00—Railway vehicle profile gauges; Detecting or indicating overheating of components; Apparatus on locomotives or cars to indicate bad track sections; General design of track recording vehicles
- B61K9/08—Measuring installations for surveying permanent way
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
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Abstract
The invention relates to the field of rail detection, in particular to rail ultrasonic nondestructive detection equipment with an automatic rail transfer function. In order to solve the technical problem that when the rail transfer region is detected, the gap reserved between the auxiliary rail and the main rail and the gravity center offset trolley are pressed in the sharp knife region of the auxiliary rail, the accuracy of the ultrasonic detector for detecting the rail are affected. The invention provides an ultrasonic nondestructive rail testing device with an automatic rail transfer function, which comprises a suspension unit, an offset unit and the like; the suspension unit is connected with the offset unit. In the technical scheme, a part capable of automatically changing rails is arranged on a suspension assembly of the trolley, so that the phenomenon that the sound waves generate eddy currents in a gap reserved between the auxiliary track and the main track to interfere the accuracy of detection of the ultrasonic detector is avoided, and a gravity center regulating part is further arranged to avoid the influence on the detection efficiency of the ultrasonic detector due to the fact that the load of a sharp knife area of the auxiliary track is too large.
Description
Technical Field
The invention relates to the field of rail detection, in particular to rail ultrasonic nondestructive detection equipment with an automatic rail transfer function.
Background
In the rail detection work, the detection trolley runs between the double rails, ultrasonic detection work is carried out on all areas of the double rails passing through the detection trolley in the running process through the ultrasonic detectors positioned on the left side and the right side of the detection trolley, so that the emission frequency and the direction of ultrasonic waves and the receiving position and the frequency on the ultrasonic detectors are changed by controlling the ultrasonic detectors, the dark fault existing in the rail can be identified by comparing preloaded standard data, and the position of the rail with the dark fault is automatically positioned and marked.
When a trolley passes through a rail changing area of a rail, rail changing control needs to be carried out on the rail according to a conventional vehicle passing mode, namely, an operation rod controls an auxiliary rail to change the position, so that the outer surface of one side of a sharp knife area at the end part of the auxiliary rail is tightly attached to the inner surface of the same side area of a main rail, the other side of the sharp knife area at the end part of the auxiliary rail is far away from the main rail, a bearing wheel at one side of the trolley can be driven into the next rail through the sharp knife area of the auxiliary rail, a bearing wheel at the other side of the trolley continuously drives forwards along the main rail to finish rail changing work, meanwhile, an ultrasonic detector carries out dark detection work on the rail, as the sharp knife area at the end part of the auxiliary rail is thin, the gravity center of the trolley deviates to the sharp knife area at the end part of the auxiliary rail when the trolley turns, so that the sharp knife area at the end part of the auxiliary rail bears larger pressure, and the sharp knife area at the end part of the auxiliary rail is tightly attached to the main rail, the clearance of reserving between auxiliary rail and the main rail will disturb the precision that the ultrasonic detector surveys the rail because of the vortex that the sound wave launches the production, have the dark fault difficult quilt to be surveyed, or the phenomenon of dark fault wrong report, lead to assisting the regional detection efficiency of sharp sword of rail tip lower.
Disclosure of Invention
The invention provides rail ultrasonic nondestructive testing equipment with an automatic rail changing function, aiming at overcoming the defects that when a rail changing area is detected, the gap reserved between an auxiliary rail and a main rail and the gravity center offset of a trolley pressed on a sharp knife area of the auxiliary rail influence the accuracy of the detection of an ultrasonic detector on the rail.
The technical scheme is as follows: a rail ultrasonic nondestructive testing device with an automatic rail transfer function comprises a suspension unit, a torsion unit, an offset unit, a driving chassis, a support plate, a damping part, an electric control assembly, a signal transceiving module, a side support frame, a distance measuring wheel and an ultrasonic detector; a support plate is fixedly connected to the upper side of the driving chassis; the left part of the upper side of the carrier plate and the right part of the upper side of the carrier plate are respectively fixedly connected with a group of damping parts; an electric control assembly is fixedly connected between the upper sides of the two groups of damping components; a signal receiving and transmitting module is arranged on the upper side of the electric control assembly; a side supporting frame is fixedly connected to the left side and the right side of the support plate respectively; the lower sides of the two side supporting frames are respectively connected with a distance measuring wheel; an ultrasonic detector is respectively and fixedly connected with the front side and the rear side of the two side supporting frames; the front side and the rear side of the driving chassis are respectively connected with a suspension unit capable of automatically changing rails; the middle part of the upper side of the driving chassis is connected with a torsion unit for transferring the gravity center of the equipment; the torsion unit is fixedly connected with the electric control assembly; the upper side of the driving chassis is connected with an offset unit for controlling the suspension unit to finish rail transfer; the offset unit is connected with the suspension unit; the offset unit is connected with the torsion unit.
Furthermore, the two groups of damping components are respectively formed by longitudinally arranging a plurality of damping springs.
Further, the suspension unit comprises a transmission shaft and a moving assembly; the front side and the rear side of the driving chassis are respectively connected with a transmission shaft; the left end and the right end of the two transmission shafts are respectively connected with a moving assembly; the four moving assemblies are all connected with the offset unit.
Furthermore, the moving assembly comprises a spline shaft, a baffle plate, a wheel core, a bearing wheel, an auxiliary wheel, a control ring and a return spring; the left end and the right end of the two transmission shafts are fixedly connected with a spline shaft respectively; one end of each of the four spline shafts, which is far away from the driving chassis, is fixedly connected with a baffle; one side of each of the four spline shafts, which is far away from the driving chassis, is connected with a wheel core; the four wheel cores are respectively clung to an adjacent baffle; the outer side surfaces of the four wheel cores are fixedly connected with a bearing wheel respectively; one side of the four bearing wheels, which is far away from the driving chassis, is fixedly connected with an auxiliary wheel; one side of each of the four wheel cores, which is close to the driving chassis, is rotatably connected with a control ring; a reset spring is fixedly connected between each of the four wheel cores and the adjacent transmission shaft, and the transmission shafts are sleeved on the outer side surfaces of the adjacent spline shafts; the four control loops are all connected with an offset unit.
Furthermore, annular grooves are respectively formed between the four bearing wheels and the adjacent auxiliary wheels.
Further, the torsion unit comprises a shaft seat, a driving motor and a rotating shaft; the front part of the upper side of the driving chassis and the rear part of the upper side are respectively fixedly connected with a shaft seat; the rear part of the upper side of the driving chassis is fixedly connected with a driving motor which is positioned behind the shaft seat; a rotating shaft is rotatably connected between the two shaft seats; an output shaft of the driving motor is fixedly connected with a rotating shaft; the middle part of the rotating shaft is fixedly connected with an electric control assembly; the rotating shaft is connected with the offset unit.
Further, the offset unit comprises a first straight gear, a second straight gear, a missing gear, a sliding rack bar and a trigger assembly; the front end and the rear end of the rotating shaft are respectively fixedly connected with a first straight gear; the front part of the upper side of the driving chassis is rotationally connected with a second straight gear through a rotating shaft; the rear part of the upper side of the driving chassis is rotatably connected with a gear lack through a rotating shaft; the second straight gear and the gear lack are both positioned between the two shaft seats; a first straight gear positioned on the front side is meshed with the second straight gear; a first straight gear positioned at the rear side is meshed with the gear lacking part; the front part of the upper side of the driving chassis and the rear part of the upper side are respectively connected with a sliding rack bar in a sliding way; the two sliding rack bars are respectively positioned below the second straight gear and the gear lacking gear; the second straight gear is meshed with the sliding rack bar positioned on the front side; the left end and the right end of the two sliding toothed bars are respectively connected with a trigger component; the four trigger assemblies are respectively connected with the four control rings.
Furthermore, the trigger assembly comprises a push block, a limit slide block, a slide rod, a pull block and a convex block; the left end and the right end of the two sliding toothed bars are respectively fixedly connected with a push block; the front sides and the rear sides of the four push blocks are respectively fixedly connected with a limiting slide block; the front part of the left side and the rear part of the left side of the driving chassis are respectively connected with a sliding rod in a sliding way; the front part on the right side and the rear part on the right side of the driving chassis are respectively connected with another sliding rod in a sliding manner; the eight limiting slide blocks are respectively connected with an adjacent slide rod in a sliding way; one ends of the four sliding rods, which are far away from the driving chassis, are fixedly connected with a pulling block respectively; the four pulling blocks are fixedly connected with an adjacent control ring respectively; the upper sides of the four sliding rods are fixedly connected with a convex block respectively; the four pushing blocks are respectively clung to the adjacent convex block.
Furthermore, the device also comprises an auxiliary distance compensation unit, wherein the side support frame is provided with the auxiliary distance compensation unit, and the auxiliary distance compensation unit comprises an electric sliding block, a fixed frame, a micro motor and a roller; the middle parts of the lower sides of the two side supporting frames are respectively connected with an electric sliding block in a sliding way; the front sides of the two electric sliding blocks are respectively fixedly connected with a fixing frame; the middle parts of the front sides of the two fixing frames are respectively fixedly connected with a micro motor; the middle parts of the rear sides of the two fixing frames are respectively and rotatably connected with a roller; the output shafts of the two micro motors are fixedly connected with an adjacent roller respectively.
Furthermore, a plurality of anti-skid convex strips are respectively arranged on the outer side surfaces surrounding the two rollers.
Has the advantages that: the technical problem that when a rail transfer area is detected, the accuracy of the detection of the rail by an ultrasonic detector is affected by a reserved gap between an auxiliary rail and a main rail and the gravity center offset of a trolley pressed on a sharp knife area of the auxiliary rail is solved;
this technical scheme has made following improvement on prior art, on the suspension assembly of dolly, be provided with the part that can automatic orbit transfer, the dolly is when the orbit orbital transfer is regional, assist between orbital both sides and the main track, reserve sufficient interval, avoid the sound wave to produce the vortex in the clearance of reserving between assisting track and the main track, disturb the precision that the ultrasonic detection instrument surveyed the track, still be equipped with focus regulation and control part in addition, when making the orbital transfer of dolly, shift the focus to the one side far away from assisting the orbital sharp sword region, avoid assisting orbital sharp sword region heavy burden too big and influence the detection efficiency of ultrasonic detection instrument to the track.
Drawings
FIG. 1 is a schematic diagram of a first three-dimensional structure of the ultrasonic nondestructive testing apparatus for rail;
FIG. 2 is a schematic diagram of a second three-dimensional structure of the ultrasonic nondestructive testing apparatus for rails;
FIG. 3 is a schematic diagram of a third three-dimensional structure of the ultrasonic nondestructive testing apparatus for rails;
FIG. 4 is a partial exploded view of a suspension unit of the ultrasonic nondestructive testing apparatus for rails;
FIG. 5 is a schematic view of a partial three-dimensional structure of the ultrasonic nondestructive testing apparatus for rail;
FIG. 6 is a schematic perspective view of a torsion unit of the ultrasonic nondestructive testing apparatus for rail;
FIG. 7 is a schematic perspective view of a suspension unit of the ultrasonic nondestructive testing apparatus for rail;
FIG. 8 is an enlarged view of the area C of the ultrasonic nondestructive testing apparatus for rails;
FIG. 9 is a schematic perspective view of an auxiliary distance compensation unit of the ultrasonic nondestructive testing apparatus for rail;
FIG. 10 is a partial perspective view of the auxiliary distance compensation unit of the ultrasonic nondestructive testing apparatus for rail.
Reference numerals: 1-a driving chassis, 2-a carrier plate, 3-a shock absorption part, 4-an electric control assembly, 5-a signal transceiving module, 6-a side supporting frame, 7-a distance measuring wheel, 8-an ultrasonic detector, 9-a main rail, 10-an auxiliary rail, 101-a transmission shaft, 102-a spline shaft, 103-a baffle plate, 104-a wheel core, 105-a bearing wheel, 106-an auxiliary wheel, 107-a control ring, 108-a reset spring, 201-an axle seat, 202-a driving motor, 203-a rotating shaft, 301-a first straight gear, 302-a second straight gear, 303-a missing gear, 304-a sliding gear rod, 305-a pushing block, 306-a limiting slide block, 307-a slide rod, 308-a pulling block, 309-a convex block and 401-an electric slide block, 402-fixed mount, 403-micro motor, 404-roller.
Detailed Description
Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Example 1
A rail ultrasonic nondestructive testing device with an automatic rail transfer function is shown in figures 1-8 and comprises a suspension unit, a torsion unit, an offset unit, a driving chassis 1, a support plate 2, a damping component 3, an electric control assembly 4, a signal transceiving module 5, a side support frame 6, a distance measuring wheel 7 and an ultrasonic detector 8; a carrier plate 2 is fixedly connected to the upper side of the driving chassis 1; a group of damping parts 3 are respectively fixedly connected with the left part of the upper side and the right part of the upper side of the carrier plate 2; an electric control assembly 4 is fixedly connected between the upper sides of the two groups of damping parts 3; two groups of damping components 3 are respectively formed by longitudinally arranging a plurality of damping springs; the upper side of the electric control assembly 4 is provided with a signal transceiving module 5; a side supporting frame 6 is fixedly connected to the left side and the right side of the support plate 2 respectively; the lower sides of the two side supporting frames 6 are respectively connected with a distance measuring wheel 7; an ultrasonic detector 8 is respectively and fixedly connected with the front side and the rear side of the two side supporting frames 6; the front side and the rear side of the drive chassis 1 are respectively connected with a suspension unit; the middle part of the upper side of the driving chassis 1 is connected with a torsion unit; the torsion unit is fixedly connected with an electric control assembly 4; the upper side of the driving chassis 1 is connected with an offset unit; the offset unit is connected with the suspension unit; the offset unit is connected with the torsion unit.
As shown in fig. 4, the suspension unit includes a transmission shaft 101 and a moving assembly; the front side and the rear side of the driving chassis 1 are respectively connected with a transmission shaft 101; the left end and the right end of the two transmission shafts 101 are respectively connected with a moving assembly; the four moving assemblies are all connected with the offset unit.
As shown in fig. 4 and 7, the moving assembly comprises a spline shaft 102, a baffle plate 103, a wheel core 104, a bearing wheel 105, an auxiliary wheel 106, a control ring 107 and a return spring 108; spline shafts 102 are welded to the left end and the right end of the two transmission shafts 101 respectively; one end of each of the four spline shafts 102, which is far away from the driving chassis 1, is welded with a baffle plate 103; the four spline shafts 102 are respectively connected with a wheel core 104 at one side far away from the drive chassis 1; the four wheel cores 104 are respectively clung to the adjacent baffle plate 103; the outer side surfaces of the four wheel cores 104 are respectively fixedly connected with a bearing wheel 105; four bearing wheels 105 are respectively welded with an auxiliary wheel 106 at one side far away from the driving chassis 1; the four wheel cores 104 are respectively connected with a control ring 107 in a rotating way at one side close to the driving chassis 1; a return spring 108 is fixedly connected between each of the four wheel cores 104 and the adjacent transmission shafts 101, and the transmission shafts 101 are sleeved on the outer side surfaces of the adjacent spline shafts 102; the four control loops 107 are all connected to an offset unit; an annular groove is respectively arranged between the four bearing wheels 105 and the adjacent auxiliary wheels 106.
As shown in fig. 5-6, the torsion unit includes a shaft seat 201, a driving motor 202 and a rotating shaft 203; the front part of the upper side and the rear part of the upper side of the driving chassis 1 are respectively connected with a shaft seat 201 through bolts; the rear part of the upper side of the driving chassis 1 is connected with a driving motor 202 through a bolt, and the driving motor 202 is positioned behind the shaft seat 201; a rotating shaft 203 is rotatably connected between the two shaft seats 201; the output shaft of the driving motor 202 is fixedly connected with a rotating shaft 203; the middle part of the rotating shaft 203 is fixedly connected with an electric control assembly 4; the rotation shaft 203 is connected to the offset unit.
As shown in fig. 5-8, the offset unit comprises a first spur gear 301, a second spur gear 302, a missing gear 303, a sliding rack bar 304 and a trigger assembly; the front end and the rear end of the rotating shaft 203 are respectively fixedly connected with a first straight gear 301; the front part of the upper side of the driving chassis 1 is rotationally connected with a second straight gear 302 through a rotating shaft; the rear part of the upper side of the driving chassis 1 is rotatably connected with a gear segment 303 through a rotating shaft; the second straight gear 302 and the gear lack 303 are both positioned between the two shaft seats 201; a first spur gear 301 on the front side is meshed with a second spur gear 302; a first straight gear 301 positioned at the rear side is meshed with a missing gear 303; the front part of the upper side and the rear part of the upper side of the driving chassis 1 are respectively connected with a sliding rack bar 304 in a sliding way; the two sliding rack bars 304 are respectively positioned below the second straight gear 302 and the missing gear 303; the second spur gear 302 is engaged with a sliding rack bar 304 on the front side; the left end and the right end of the two sliding rack bars 304 are respectively connected with a trigger component; the four trigger assemblies are respectively connected with four control loops 107.
The trigger component comprises a push block 305, a limit slide block 306, a slide bar 307, a pull block 308 and a convex block 309; the left end and the right end of the two sliding rack bars 304 are respectively welded with a push block 305; the front side and the rear side of the four pushing blocks 305 are respectively connected with a limiting slide block 306 through bolts; the front part at the left side and the rear part at the left side of the driving chassis 1 are respectively connected with a sliding rod 307 in a sliding way; the front part on the right side and the rear part on the right side of the driving chassis 1 are respectively connected with another sliding rod 307 in a sliding way; the eight limit sliding blocks 306 are respectively connected with an adjacent sliding rod 307 in a sliding manner; one end of each of the four sliding rods 307, which is far away from the driving chassis 1, is welded with a pull block 308; the four pull blocks 308 are respectively bolted to an adjacent control ring 107; a bump 309 is welded on each of the upper sides of the four sliding bars 307; the four pushing blocks 305 are respectively tightly attached to the adjacent one of the protruding blocks 309.
Firstly, the ultrasonic nondestructive testing equipment for the rail is placed on a main rail 9, four bearing wheels 105 are in contact with the inner side and the upper side of the main rail 9, two distance measuring wheels 7 are in contact with the upper side of the main rail 9, an auxiliary wheel 106 is not in contact with the main rail 9, then a driving part arranged in a driving chassis 1 drives two transmission shafts 101 to rotate, the transmission shafts 101 drive wheel cores 104 to rotate through spline shafts 102, so that the four bearing wheels 105 move forwards along the main rail 9, the distance measuring wheels 7 roll along the upper side of the main rail 9 to perform distance measuring work, and meanwhile, an ultrasonic detector 8 performs ultrasonic detection work on the main rail 9.
When the ultrasonic nondestructive testing equipment for the track passes through a track changing area, such as changing the track to the left, the auxiliary track 10 remains stationary, the output shaft of the driving motor 202 drives the rotating shaft 203 to rotate, the rotating shaft 203 drives the two first straight gears 301 to rotate simultaneously, the two first straight gears 301 are respectively meshed with the second straight gear 302 and the missing gear 303 and drive the same to rotate, the second straight gear 302 is meshed with the sliding toothed bar 304 positioned at the front side and drives the same to move along the driving chassis 1 in the direction of the ultrasonic nondestructive testing equipment for the track needing track changing, that is, the ultrasonic nondestructive testing equipment for the track needs to change the track to the left, the sliding toothed bar 304 drives the two pushing blocks 305 positioned at the front side to move to the left, and the pushing block 305 positioned at the right of the front side pushes the protruding block 309 positioned at the right of the front side to drive the sliding bar 307, the pulling block 308 and the control ring 107 connected with the pushing block 305 to move to the left, the control ring 107 pulls one wheel core 104 and one bearing wheel 105 which are positioned at the right part of the front side to drive a return spring 108 connected with the control ring to be compressed towards the left side along the adjacent spline shaft 102, so that the head of the ultrasonic nondestructive testing equipment of the rail passes through the auxiliary rail 10, the bearing wheel 105 positioned at the right part of the front side leaves from the main rail 9 and enters the inner side of the auxiliary rail 10, and meanwhile, the bearing wheel 105 positioned at the left part of the front side keeps moving along the main rail 9, and the automatic rail transfer work is initially completed.
Then the four bearing wheels 105 continue to move forward along the main track 9, so that the distance measuring wheel 7 on the right side leaves the main track 9 and continues to roll along the auxiliary track 10, the distance measuring wheel 7 on the left side keeps continuing to roll along the main track 9, then the missing gear 303 which continues to rotate engages with the sliding rack bar 304 on the front side and drives the sliding rack bar to move along the driving chassis 1 in the direction of the track ultrasonic nondestructive testing equipment needing track change, if the track ultrasonic nondestructive testing equipment needs track change to the left side, the sliding rack bar 304 drives the two push blocks 305 to move to the left side, and simultaneously, one push block 305 on the right part of the front side pushes one lug 309 on the right part of the front side to drive the slide bar 307, the pull block 308 and the control ring 107 connected with the push block 309 to move to the left side, engages with the sliding rack bar 304 on the rear side and drives the sliding rack bar 305 on the driving chassis 1 to move to the left side, meanwhile, a push block 305 located at the right part of the rear side pushes a bump 309 located at the right part of the rear side to drive a slide bar 307, a pull block 308 and a control ring 107 connected with the push block to move to the left side, so that the control ring 107 pulls a wheel core 104 and a bearing wheel 105 located at the right part of the rear side to drive a return spring 108 connected with the control ring to compress to the left side along an adjacent spline shaft 102, and the vehicle head of the ultrasonic nondestructive testing equipment of the rail passes through an auxiliary rail 10, the bearing wheel 105 located at the right part of the rear side leaves from a main rail 9 and enters the inner side of the auxiliary rail 10, and meanwhile, the bearing wheel 105 located at the left part of the rear side keeps moving along the main rail 9 to complete the complete automatic rail changing work, so that the ultrasonic detector 8 located at the right side performs the ultrasonic detection work on the auxiliary rail 10, and the ultrasonic detector 8 located at the left side continues to perform the ultrasonic detection work along the main rail 9.
In the automatic orbital transfer work of the ultrasonic nondestructive testing equipment for the orbit, the output shaft of the driving motor 202 drives the rotating shaft 203 to rotate, the rotating shaft 203 drives the electric control assembly 4 and the signal transceiving module 5 to turn left, meanwhile, the damping component 3 on the left side is compressed, the damping component 3 on the right side is stretched, so that the gravity center of the rail ultrasonic nondestructive testing equipment is adjusted leftwards, the problem that the detection efficiency of an ultrasonic detector on the rail is influenced due to the overlarge load of a sharp knife area of the auxiliary rail 10 is avoided, the gravity center of the rail ultrasonic nondestructive testing equipment is slightly overturned leftwards while being pressed leftwards, meanwhile, the auxiliary wheel 106 positioned at the left side rotates along the main track 9, so that the auxiliary wheel 106 assists the bearing wheel 105, sufficient supporting force is provided for the ultrasonic nondestructive testing equipment of the track, and the phenomenon of side turning of the ultrasonic nondestructive testing equipment of the track is avoided.
Example 2
As shown in fig. 1, 9 and 10, on the basis of embodiment 1, the side support frame 6 is further provided with an auxiliary distance compensation unit, and the auxiliary distance compensation unit includes an electric slider 401, a fixing frame 402, a micro motor 403 and a roller 404; the middle parts of the lower sides of the two side supporting frames 6 are respectively connected with an electric slide block 401 in a sliding way; the front sides of the two electric sliding blocks 401 are respectively fixedly connected with a fixing frame 402; the middle parts of the front sides of the two fixing frames 402 are respectively connected with a micro motor 403 through bolts; the middle parts of the rear sides of the two fixing frames 402 are respectively and rotatably connected with a roller 404; the output shafts of the two micro motors 403 are fixedly connected with an adjacent roller 404 respectively; a plurality of anti-slip raised lines are respectively arranged on the outer side surfaces surrounding the two rollers 404.
When the distance measuring wheel 7 is switched from the main track 9 to the auxiliary track 10, the distance measuring wheel 7 can only continue to rotate by means of inertia, but the distance measuring wheel 7 is influenced by friction force, so that the rotating speed is reduced, the distance measuring work of the distance measuring wheel 7 has errors, and the accuracy of positioning and marking the track position with a dark fault is influenced.
Therefore, when the ultrasonic nondestructive testing equipment for the track performs automatic track change work, when the distance measuring wheel 7 performs switching work between the main track 9 and the auxiliary track 10, the electric sliding block 401 moves downwards along the side supporting frame 6, so that the two rollers 404 are respectively tightly attached to the adjacent distance measuring wheels 7, meanwhile, the output shaft of the micro motor 403 drives the rollers 404 to rotate, the rollers 404 drive the distance measuring wheel 7 to continuously rotate at the original speed, the rotating speed error caused by the influence of friction force on the distance measuring wheel 7 is compensated, and the precision of positioning and marking the track position with the dark disease is improved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A rail ultrasonic nondestructive testing device with an automatic rail transfer function comprises a driving chassis (1), a support plate (2), a damping component (3), an electric control assembly (4), a signal transceiving module (5), a side support frame (6), a distance measuring wheel (7) and an ultrasonic detector (8); a carrier plate (2) is fixedly connected to the upper side of the driving chassis (1); a group of damping parts (3) are respectively fixedly connected with the left part of the upper side and the right part of the upper side of the carrier plate (2); an electric control assembly (4) is fixedly connected between the upper sides of the two groups of damping components (3); a signal receiving and transmitting module (5) is arranged on the upper side of the electric control assembly (4); a side supporting frame (6) is fixedly connected to the left side and the right side of the support plate (2) respectively; the lower sides of the two side supporting frames (6) are respectively connected with a distance measuring wheel (7); an ultrasonic detector (8) is respectively and fixedly connected with the front side and the rear side of the two side supporting frames (6);
the device is characterized by also comprising a suspension unit, a torsion unit and an offset unit; the front side and the rear side of the driving chassis (1) are respectively connected with a suspension unit capable of automatically changing rails; the middle part of the upper side of the driving chassis (1) is connected with a torsion unit for transferring the gravity center of the equipment; the torsion unit is fixedly connected with an electric control assembly (4); the upper side of the driving chassis (1) is connected with an offset unit for controlling the suspension unit to finish track transfer; the offset unit is connected with the suspension unit; the offset unit is connected with the torsion unit.
2. The ultrasonic nondestructive testing apparatus for rails with automatic rail-changing function according to claim 1 is characterized in that two sets of damping members (3) are respectively composed of a plurality of damping springs arranged longitudinally.
3. The ultrasonic nondestructive testing apparatus for track with automatic track changing function according to claim 1 or 2 is characterized in that the suspension unit comprises a transmission shaft (101) and a moving component; the front side and the rear side of the driving chassis (1) are respectively connected with a transmission shaft (101); the left end and the right end of the two transmission shafts (101) are respectively connected with a moving assembly; the four moving assemblies are all connected with the offset unit.
4. The ultrasonic nondestructive testing equipment for the track with the automatic track transfer function is characterized in that the moving assembly comprises a spline shaft (102), a baffle plate (103), a wheel core (104), a bearing wheel (105), an auxiliary wheel (106), a control ring (107) and a return spring (108); the left end and the right end of the two transmission shafts (101) are fixedly connected with a spline shaft (102) respectively; one end of each of the four spline shafts (102) far away from the driving chassis (1) is fixedly connected with a baffle (103); one side of each of the four spline shafts (102) far away from the driving chassis (1) is connected with a wheel core (104); the four wheel cores (104) are respectively clung to the adjacent baffle (103); the outer side surfaces of the four wheel cores (104) are respectively fixedly connected with a bearing wheel (105); one side of the four bearing wheels (105) far away from the driving chassis (1) is fixedly connected with an auxiliary wheel (106); the four wheel cores (104) are close to one side of the driving chassis (1) and are respectively connected with a control ring (107) in a rotating way; a reset spring (108) is fixedly connected between each of the four wheel cores (104) and the adjacent transmission shaft (101), and the transmission shafts (101) are sleeved on the outer side surfaces of the adjacent spline shafts (102); four control loops (107) are each connected to the offset unit.
5. The ultrasonic nondestructive testing equipment for the rails with the automatic rail transfer function of claim 4 is characterized in that an annular groove is respectively formed between each of the four bearing wheels (105) and the adjacent auxiliary wheel (106).
6. The ultrasonic nondestructive testing equipment for the track with the automatic track transfer function of claim 5 is characterized in that the torsion unit comprises a shaft seat (201), a driving motor (202) and a rotating shaft (203); the front part of the upper side and the rear part of the upper side of the driving chassis (1) are respectively fixedly connected with a shaft seat (201); the rear part of the upper side of the driving chassis (1) is fixedly connected with a driving motor (202), and the driving motor (202) is positioned behind the shaft seat (201); a rotating shaft (203) is rotatably connected between the two shaft seats (201); an output shaft of the driving motor (202) is fixedly connected with a rotating shaft (203); the middle part of the rotating shaft (203) is fixedly connected with an electric control assembly (4); the rotating shaft (203) is connected with the offset unit.
7. The ultrasonic nondestructive testing equipment for the track with the automatic track transfer function is characterized in that the offset unit comprises a first straight gear (301), a second straight gear (302), a missing gear (303), a sliding rack bar (304) and a trigger assembly; the front end and the rear end of the rotating shaft (203) are respectively fixedly connected with a first straight gear (301); the front part of the upper side of the driving chassis (1) is rotationally connected with a second straight gear (302) through a rotating shaft; the rear part of the upper side of the driving chassis (1) is rotationally connected with a gear lack (303) through a rotating shaft; the second straight gear (302) and the missing gear (303) are both positioned between the two shaft seats (201); a first straight gear (301) positioned at the front side is meshed with a second straight gear (302); a first straight gear (301) positioned at the rear side is meshed with the missing gear (303); the front part of the upper side and the rear part of the upper side of the driving chassis (1) are respectively connected with a sliding rack bar (304) in a sliding way; the two sliding rack bars (304) are respectively positioned below the second straight gear (302) and the missing gear (303); the second spur gear (302) is meshed with a sliding rack bar (304) positioned on the front side; the left end and the right end of the two sliding rack bars (304) are respectively connected with a trigger component; the four trigger components are respectively connected with four control loops (107).
8. The ultrasonic nondestructive testing equipment for the track with the automatic track transfer function is characterized in that the trigger component comprises a push block (305), a limit slide block (306), a slide rod (307), a pull block (308) and a lug (309); the left end and the right end of the two sliding rack bars (304) are respectively fixedly connected with a push block (305); the front side and the rear side of the four push blocks (305) are respectively fixedly connected with a limiting slide block (306); the front part on the left side and the rear part on the left side of the driving chassis (1) are respectively connected with a sliding rod (307) in a sliding way; the front part on the right side and the rear part on the right side of the driving chassis (1) are respectively connected with another sliding rod (307) in a sliding way; the eight limiting slide blocks (306) are respectively connected with one adjacent slide rod (307) in a sliding way; one ends of the four sliding rods (307) far away from the driving chassis (1) are fixedly connected with a pulling block (308) respectively; the four pulling blocks (308) are fixedly connected with an adjacent control ring (107) respectively; the upper sides of the four sliding rods (307) are respectively fixedly connected with a lug (309); the four push blocks (305) are respectively attached to the adjacent lug (309).
9. The ultrasonic nondestructive rail detection equipment with the automatic rail changing function is characterized by further comprising an auxiliary distance compensation unit, wherein the side support frame (6) is provided with the auxiliary distance compensation unit, and the auxiliary distance compensation unit comprises an electric slide block (401), a fixing frame (402), a micro motor (403) and a roller (404); the middle parts of the lower sides of the two side supporting frames (6) are respectively connected with an electric sliding block (401) in a sliding way; the front sides of the two electric sliding blocks (401) are respectively fixedly connected with a fixed frame (402); the middle parts of the front sides of the two fixing frames (402) are respectively fixedly connected with a micro motor (403); the middle parts of the rear sides of the two fixing frames (402) are respectively and rotatably connected with a roller (404); the output shafts of the two micro motors (403) are respectively and fixedly connected with an adjacent roller (404).
10. The ultrasonic nondestructive testing equipment for the rails with the automatic rail transfer function of claim 9 is characterized in that a plurality of anti-skid convex strips are respectively arranged around the outer side surfaces of the two rollers (404).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210044833.2A CN114487106B (en) | 2022-01-14 | 2022-01-14 | Track ultrasonic nondestructive testing equipment with automatic track change function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210044833.2A CN114487106B (en) | 2022-01-14 | 2022-01-14 | Track ultrasonic nondestructive testing equipment with automatic track change function |
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| Publication Number | Publication Date |
|---|---|
| CN114487106A true CN114487106A (en) | 2022-05-13 |
| CN114487106B CN114487106B (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210044833.2A Active CN114487106B (en) | 2022-01-14 | 2022-01-14 | Track ultrasonic nondestructive testing equipment with automatic track change function |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2347941A1 (en) * | 2010-01-20 | 2011-07-27 | Stahlberg Roensch GmbH & Co. KG | Measuring device for materials testing of rails in the track |
| CA2732971A1 (en) * | 2011-02-28 | 2012-08-28 | Herzog Services Inc. | Apparatus for and method of detecting defects in a rail joint bar |
| CN105691413A (en) * | 2014-12-11 | 2016-06-22 | 福斯罗高速打磨有限公司 | Forcibly spread frame for a rail vehicle and rail vehicle with such a frame |
-
2022
- 2022-01-14 CN CN202210044833.2A patent/CN114487106B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2347941A1 (en) * | 2010-01-20 | 2011-07-27 | Stahlberg Roensch GmbH & Co. KG | Measuring device for materials testing of rails in the track |
| CA2732971A1 (en) * | 2011-02-28 | 2012-08-28 | Herzog Services Inc. | Apparatus for and method of detecting defects in a rail joint bar |
| CN105691413A (en) * | 2014-12-11 | 2016-06-22 | 福斯罗高速打磨有限公司 | Forcibly spread frame for a rail vehicle and rail vehicle with such a frame |
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| Publication number | Publication date |
|---|---|
| CN114487106B (en) | 2023-06-23 |
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